304 lines
9.2 KiB
C++
304 lines
9.2 KiB
C++
//+---------------------------------------------------------------------------
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// Copyright (C) Microsoft Corporation, 1991 - 1999 .
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//
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// File: debug.h
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//
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// Contents: Debugging macros. Stolen from old Cairo debnot.h with the
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// following history...
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//
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// History: 23-Jul-91 KyleP Created.
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// 15-Oct-91 KevinRo Major changes and comments added
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// 18-Oct-91 vich Consolidated win4p.hxx
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// 22-Oct-91 SatoNa Added SHLSTRICT
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// 29-Apr-92 BartoszM Moved from win4p.h
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// 3-Jun-92 BruceFo Added SMUISTRICT
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// 17-Dec-92 AlexT Moved UN..._PARM out of DEVL==1
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// 30-Sep-93 KyleP DEVL obsolete
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// 18-Jun-94 AlexT Make Assert a better statement
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// 7-Oct-94 BruceFo Stole and ripped out everything except
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// debug prints and asserts.
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// 20-Oct-95 EricB Set component debug level in the
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// registry.
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// 26-Feb-96 EricB Renamed Win4xxx exported fcns to not
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// conflict with ole32.lib.
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//
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//
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// NOTE: you must call the InitializeDebugging() API before calling any other
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// APIs!
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//
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// To set a non-default debug info level outside of the debugger, create the
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// below registry key:
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// "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SmDebug"
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// and in it create a value whose name is the component's debugging tag name
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// (the "comp" parameter to the DECLARE_INFOLEVEL macro) and whose data is
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// the desired infolevel in REG_DWORD format.
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// e.g. Sched = REG_DWORD 0x707
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//----------------------------------------------------------------------------
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#ifndef __DEBUG_H__
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#define __DEBUG_H__
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#include <stdarg.h>
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//----------------------------------------------------------------------------
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// Parameter Macros
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//
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// To avoid compiler warnings for unimplemented functions, use
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// UNIMPLEMENTED_PARM(x) for each unreferenced parameter. This will
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// later be defined to nul to reveal functions that we forgot to implement.
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//
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// For functions which will never use a parameter, use
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// UNREFERENCED_PARM(x).
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//
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#define UNIMPLEMENTED_PARM(x) (x)
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#define UNREFERENCED_PARM(x) (x)
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#ifndef EXPORTDEF
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#define EXPORTDEF
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#endif
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#ifndef EXPORTIMP
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#define EXPORTIMP
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#endif
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#ifndef EXPORTED
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#define EXPORTED _cdecl
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#endif
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#ifndef APINOT
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#ifdef _X86_
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#define APINOT _stdcall
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#else
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#define APINOT _cdecl
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#endif
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#endif
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#if DBG == 1
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//
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// DEBUG -- DEBUG -- DEBUG -- DEBUG -- DEBUG
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//
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//
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// Debug print functions.
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//
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#ifdef __cplusplus
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extern "C" {
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#define EXTRNC "C"
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#else
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#define EXTRNC
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#endif
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// smprintf should only be called from xxDebugOut()
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EXPORTDEF void APINOT
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smprintf(
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unsigned long ulCompMask,
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char const *pszComp,
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char const *ppszfmt,
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va_list ArgList);
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EXPORTDEF void APINOT
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SmAssertEx(
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char const *pszFile,
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int iLine,
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char const *pszMsg);
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EXPORTDEF int APINOT
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PopUpError(
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char const *pszMsg,
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int iLine,
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char const *pszFile);
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EXPORTDEF unsigned long APINOT
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SetSmInfoLevel(
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unsigned long ulNewLevel);
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EXPORTDEF unsigned long APINOT
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SetSmInfoMask(
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unsigned long ulNewMask);
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EXPORTDEF unsigned long APINOT
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SetSmAssertLevel(
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unsigned long ulNewLevel);
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EXPORTDEF void APINOT
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InitializeDebugging(
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void);
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EXPORTDEF void APINOT
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CheckInit(char * pInfoLevelString, unsigned long * InfoLevel);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#define Win4Assert(x) \
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(void)((x) || (SmAssertEx(__FILE__, __LINE__, #x),0))
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#define Win4Verify(x) Win4Assert(x)
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//
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// Debug print macros
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//
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#define DEB_ERROR 0x00000001 // exported error paths
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#define DEB_WARN 0x00000002 // exported warnings
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#define DEB_TRACE 0x00000004 // exported trace messages
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#define DEB_DBGOUT 0x00000010 // Output to debugger
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#define DEB_STDOUT 0x00000020 // Output to stdout
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#define DEB_IERROR 0x00000100 // internal error paths
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#define DEB_IWARN 0x00000200 // internal warnings
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#define DEB_ITRACE 0x00000400 // internal trace messages
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#define DEB_USER1 0x00010000 // User defined
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#define DEB_USER2 0x00020000 // User defined
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#define DEB_USER3 0x00040000 // User defined
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#define DEB_USER4 0x00080000 // User defined
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#define DEB_USER5 0x00100000 // User defined
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#define DEB_USER6 0x00200000 // User defined
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#define DEB_USER7 0x00400000 // User defined
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#define DEB_USER8 0x00800000 // User defined
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#define DEB_USER9 0x01000000 // User defined
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#define DEB_USER10 0x02000000 // User defined
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#define DEB_USER11 0x04000000 // User defined
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#define DEB_USER12 0x08000000 // User defined
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#define DEB_USER13 0x10000000 // User defined
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#define DEB_USER14 0x20000000 // User defined
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#define DEB_USER15 0x40000000 // User defined
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#define DEB_NOCOMPNAME 0x80000000 // suppress component name
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#define DEB_FORCE 0x7fffffff // force message
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#define ASSRT_MESSAGE 0x00000001 // Output a message
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#define ASSRT_BREAK 0x00000002 // Int 3 on assertion
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#define ASSRT_POPUP 0x00000004 // And popup message
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//+----------------------------------------------------------------------
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//
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// DECLARE_DEBUG(comp)
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// DECLARE_INFOLEVEL(comp)
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//
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// This macro defines xxDebugOut where xx is the component prefix
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// to be defined. This declares a static variable 'xxInfoLevel', which
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// can be used to control the type of xxDebugOut messages printed to
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// the terminal. For example, xxInfoLevel may be set at the debug terminal.
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// This will enable the user to turn debugging messages on or off, based
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// on the type desired. The predefined types are defined below. Component
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// specific values should use the upper 24 bits
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//
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// To Use:
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//
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// 1) In your components main include file, include the line
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// DECLARE_DEBUG(comp)
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// where comp is your component prefix
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//
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// 2) In one of your components source files, include the line
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// DECLARE_INFOLEVEL(comp)
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// where comp is your component prefix. This will define the
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// global variable that will control output.
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//
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// It is suggested that any component define bits be combined with
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// existing bits. For example, if you had a specific error path that you
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// wanted, you might define DEB_<comp>_ERRORxxx as being
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//
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// (0x100 | DEB_ERROR)
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//
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// This way, we can turn on DEB_ERROR and get the error, or just 0x100
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// and get only your error.
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//
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//-----------------------------------------------------------------------
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#ifndef DEF_INFOLEVEL
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#define DEF_INFOLEVEL (DEB_ERROR | DEB_WARN)
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#endif
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#define DECLARE_INFOLEVEL(comp) \
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extern EXTRNC unsigned long comp##InfoLevel = DEF_INFOLEVEL;\
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extern EXTRNC char* comp##InfoLevelString = #comp;
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#ifdef __cplusplus
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#define DECLARE_DEBUG(comp) \
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extern EXTRNC unsigned long comp##InfoLevel; \
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extern EXTRNC char *comp##InfoLevelString; \
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_inline void \
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comp##InlineDebugOut(unsigned long fDebugMask, char const *pszfmt, ...) \
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{ \
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CheckInit(comp##InfoLevelString, &comp##InfoLevel); \
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if (comp##InfoLevel & fDebugMask) \
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{ \
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va_list va; \
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va_start (va, pszfmt); \
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smprintf(fDebugMask, comp##InfoLevelString, pszfmt, va);\
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va_end(va); \
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} \
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} \
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\
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class comp##CDbgTrace\
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{\
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private:\
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unsigned long _ulFlags;\
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char const * const _pszName;\
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public:\
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comp##CDbgTrace(unsigned long ulFlags, char const * const pszName);\
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~comp##CDbgTrace();\
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};\
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\
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inline comp##CDbgTrace::comp##CDbgTrace(\
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unsigned long ulFlags,\
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char const * const pszName)\
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: _ulFlags(ulFlags), _pszName(pszName)\
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{\
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comp##InlineDebugOut(_ulFlags, "Entering %s\n", _pszName);\
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}\
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\
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inline comp##CDbgTrace::~comp##CDbgTrace()\
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{\
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comp##InlineDebugOut(_ulFlags, "Exiting %s\n", _pszName);\
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}
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#else // ! __cplusplus
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#define DECLARE_DEBUG(comp) \
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extern EXTRNC unsigned long comp##InfoLevel; \
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extern EXTRNC char *comp##InfoLevelString; \
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_inline void \
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comp##InlineDebugOut(unsigned long fDebugMask, char const *pszfmt, ...) \
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{ \
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CheckInit(comp##InfoLevelString, &comp##InfoLevel);
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if (comp##InfoLevel & fDebugMask) \
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{ \
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va_list va; \
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va_start (va, pszfmt); \
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smprintf(fDebugMask, comp##InfoLevelString, pszfmt, va);\
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va_end(va); \
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} \
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}
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#endif // ! __cplusplus
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#else // DBG == 0
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//
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// NO DEBUG -- NO DEBUG -- NO DEBUG -- NO DEBUG -- NO DEBUG
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//
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#define Win4Assert(x) NULL
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#define Win4Verify(x) (x)
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#define DECLARE_DEBUG(comp)
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#define DECLARE_INFOLEVEL(comp)
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#endif // DBG == 0
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#endif // __DEBUG_H__
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